(19)
(11) EP 3 977 756 A1

(12)

(43) Date of publication:
06.04.2022 Bulletin 2022/14

(21) Application number: 20815543.2

(22) Date of filing: 01.06.2020
(51) International Patent Classification (IPC): 
H04R 17/00(2006.01)
H01L 41/04(2006.01)
B06B 1/06(2006.01)
H04B 11/00(2006.01)
(52) Cooperative Patent Classification (CPC):
H04R 17/00; B06B 1/0611; H04R 17/005; H04R 2430/20
(86) International application number:
PCT/US2020/035537
(87) International publication number:
WO 2020/243700 (03.12.2020 Gazette 2020/49)
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 30.05.2019 US 201962854933 P

(71) Applicants:
  • Geegah LLC
    Ithaca, NY 14850 (US)
  • Lal, Amit
    Ithaca, NY 14850 (US)
  • Kuo, Justin
    Ithaca, NY 14850 (US)

(72) Inventors:
  • LAL, Amit
    Ithaca, NY 14850 (US)
  • KUO, Justin
    Ithaca, NY 14850 (US)

(74) Representative: DREISS Patentanwälte PartG mbB 
Friedrichstraße 6
70174 Stuttgart
70174 Stuttgart (DE)

   


(54) METHODS OF INCREASING ULTRASONIC SIGNAL RECEPTION